Construction firms may pick up the point of preference over their rivals by enhancing productivity to build projects at lower costs yet; most contractors do not properly address this key issue or assess its effect on the project’s benefit. However, the low productivity of construction workers is one of the causes of cost and time over-run which affect construction projects. As the construction projects are labor intensive, so ARC believed that extra coordination and supervision need to be given. In other words, success in completing site activities on time, within cost, and quality relies on the quality of supervision.